/**
 * @Author ZhangGJ
 * @Date 2021/07/31 09:48
 */
#include <stdio.h>

#define SIZE 5

void show_array(const double arr[], int n);

void mult_array(double ar[], int n, double mult);

int main(void) {
    double dip[SIZE] = {20.0, 17.66, 8.2, 15.3, 22.22};
    printf("The original dip array:\n");
    show_array(dip, SIZE);
    mult_array(dip, SIZE, 2.5);
    printf("The dip array after calling mult_array():\n");
    show_array(dip, SIZE);
    return 0;
}

void show_array(const double ar[], int n) {
    int i;
    for (i = 0; i < n; i++) {
        printf("%8.3f", ar[i]);
    }
    putchar('\n');
}

void mult_array(double ar[], int n, double mult) {
    int i;
    for (i = 0; i < n; i++) {
        ar[i] *= mult;
    }
}
